Louis C.K. hosted Saturday Night Live Saturday, April 8 on NBC. The actor, producer, director and comedian, whose new stand-up special debuted on Netflix April 4, marked his fourth time hosting SNL, following stints on the hit comedy show in 2012, 2014 and 2015.

Meanwhile, EDM pop duo The Chainsmokers joined C.K. as the evening’s musical guest.

Watch C.K.'s opening monologue and sketches from the show, below: